1/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#include <errno.h>
20#include "pthreadP.h"
21#include <shlib-compat.h>
22
23/* Global definition. Needed in pthread_getconcurrency as well. */
24int __concurrency_level;
25
26
27int
28__pthread_setconcurrency (int level)
29{
30 if (level < 0)
31 return EINVAL;
32
33 __concurrency_level = level;
34
35 /* XXX For ports which actually need to handle the concurrency level
36 some more code is probably needed here. */
37
38 return 0;
39}
40versioned_symbol (libc, __pthread_setconcurrency, pthread_setconcurrency,
41 GLIBC_2_34);
42
43#if OTHER_SHLIB_COMPAT (libpthread, GLIBC_2_1, GLIBC_2_34)
44compat_symbol (libpthread, __pthread_setconcurrency, pthread_setconcurrency,
45 GLIBC_2_1);
46#endif
47